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__DECC_INCLUDE_EPILOGUE.H
(556 B)
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__DECC_INCLUDE_PROLOGUE.H
(627 B)
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aria.h
(1.47 KB)
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asn1.h
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async.h
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bn.h
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bn_conf.h
(932 B)
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bn_conf.h.in
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bn_dh.h
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bn_srp.h
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chacha.h
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cryptlib.h
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ctype.h
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dso_conf.h
(580 B)
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dso_conf.h.in
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ec.h
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engine.h
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err.h
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evp.h
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lhash.h
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md32_common.h
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objects.h
(387 B)
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poly1305.h
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rand.h
(4.42 KB)
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sha.h
(571 B)
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siphash.h
(907 B)
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sm2.h
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sm2err.h
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sm3.h
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sm4.h
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store.h
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x509.h
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Editing: rand.h
/* * Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the OpenSSL license (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ /* * Licensed under the OpenSSL licenses, (the "License"); * you may not use this file except in compliance with the License. * You may obtain a copy of the License at * https://www.openssl.org/source/license.html * or in the file LICENSE in the source distribution. */ #ifndef OSSL_CRYPTO_RAND_H # define OSSL_CRYPTO_RAND_H # include <openssl/rand.h> /* forward declaration */ typedef struct rand_pool_st RAND_POOL; void rand_cleanup_int(void); void rand_drbg_cleanup_int(void); void drbg_delete_thread_state(void); /* Hardware-based seeding functions. */ size_t rand_acquire_entropy_from_tsc(RAND_POOL *pool); size_t rand_acquire_entropy_from_cpu(RAND_POOL *pool); /* DRBG entropy callbacks. */ size_t rand_drbg_get_entropy(RAND_DRBG *drbg, unsigned char **pout, int entropy, size_t min_len, size_t max_len, int prediction_resistance); void rand_drbg_cleanup_entropy(RAND_DRBG *drbg, unsigned char *out, size_t outlen); size_t rand_drbg_get_nonce(RAND_DRBG *drbg, unsigned char **pout, int entropy, size_t min_len, size_t max_len); void rand_drbg_cleanup_nonce(RAND_DRBG *drbg, unsigned char *out, size_t outlen); size_t rand_drbg_get_additional_data(RAND_POOL *pool, unsigned char **pout); void rand_drbg_cleanup_additional_data(RAND_POOL *pool, unsigned char *out); /* * RAND_POOL functions */ RAND_POOL *rand_pool_new(int entropy_requested, int secure, size_t min_len, size_t max_len); RAND_POOL *rand_pool_attach(const unsigned char *buffer, size_t len, size_t entropy); void rand_pool_free(RAND_POOL *pool); const unsigned char *rand_pool_buffer(RAND_POOL *pool); unsigned char *rand_pool_detach(RAND_POOL *pool); void rand_pool_reattach(RAND_POOL *pool, unsigned char *buffer); size_t rand_pool_entropy(RAND_POOL *pool); size_t rand_pool_length(RAND_POOL *pool); size_t rand_pool_entropy_available(RAND_POOL *pool); size_t rand_pool_entropy_needed(RAND_POOL *pool); /* |entropy_factor| expresses how many bits of data contain 1 bit of entropy */ size_t rand_pool_bytes_needed(RAND_POOL *pool, unsigned int entropy_factor); size_t rand_pool_bytes_remaining(RAND_POOL *pool); int rand_pool_add(RAND_POOL *pool, const unsigned char *buffer, size_t len, size_t entropy); unsigned char *rand_pool_add_begin(RAND_POOL *pool, size_t len); int rand_pool_add_end(RAND_POOL *pool, size_t len, size_t entropy); /* * Add random bytes to the pool to acquire requested amount of entropy * * This function is platform specific and tries to acquire the requested * amount of entropy by polling platform specific entropy sources. * * If the function succeeds in acquiring at least |entropy_requested| bits * of entropy, the total entropy count is returned. If it fails, it returns * an entropy count of 0. */ size_t rand_pool_acquire_entropy(RAND_POOL *pool); /* * Add some application specific nonce data * * This function is platform specific and adds some application specific * data to the nonce used for instantiating the drbg. * * This data currently consists of the process and thread id, and a high * resolution timestamp. The data does not include an atomic counter, * because that is added by the calling function rand_drbg_get_nonce(). * * Returns 1 on success and 0 on failure. */ int rand_pool_add_nonce_data(RAND_POOL *pool); /* * Add some platform specific additional data * * This function is platform specific and adds some random noise to the * additional data used for generating random bytes and for reseeding * the drbg. * * Returns 1 on success and 0 on failure. */ int rand_pool_add_additional_data(RAND_POOL *pool); /* * Initialise the random pool reseeding sources. * * Returns 1 on success and 0 on failure. */ int rand_pool_init(void); /* * Finalise the random pool reseeding sources. */ void rand_pool_cleanup(void); /* * Control the random pool use of open file descriptors. */ void rand_pool_keep_random_devices_open(int keep); #endif
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